Help with statistic question,,,..?Physician likes " cold turkey " a physician who has practiced for more than 20 years believes that going "cold turkey " is more effective than nicotine patched and other smoking cessation methods in helping smokers to quit. The physician gives as evidence his observations of patients in his practice;
A. Explain the limitation of such anecdotal evidence.
B. Mention a lurking variable that could affect the association the physician observed .
Danny Mendel
he is not the all see, may be contaminated results
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